mattress sales near me king in trichy growell beds and furnitures trichy A PU foam single mattress is a type of mattress designed for a single-sized bed and made primarily from polyurethane (PU) foam. PU foam mattresses are popular due to their affordability, lightweight nature, and comfort.PU foam mattresses are often more budget-friendly compared to other types of mattresses, making them a popular choice for individuals on a tight budget.While PU foam mattresses may not offer the same level of contouring and support as memory foam or latex mattresses, they still provide a comfortable sleeping surface. The foam conforms to the body's shape, offering some pressure relief.